The Viking king Audun is said to be a descendant of the supreme god Odin himself. God fears that a son will be born to a mortal, who will surpass the celestials in strength, so he condemns Audun to the birth of daughters. On the advice of the witch, the king goes to distant lands for a baby who will bring unfading glory to his family. The sorceress hid that there would be two boys and that their real father was the god of deceit, Loki. Years passed. The heir to the throne, Vali, grew up not knowing the fate of his real parents. He fell in love with an ordinary girl, but her village was attacked by enemies, and the beauty disappeared. To find her, he will go hunting for a werewolf. Vali does not yet know that his opponent will be his twin brother, raised by a witch, and he himself is also destined to try on the skin of a wolf...